I used a gray colored clay to form a small pot and lid. After firing it I discovered that it had a small leak. I had read that soap plant can be used to seal pots so I dug up a bulb and tried it out.

What You’ll Need: Any unglazed terra-cotta or clay pot can be used ... select a plastic plant saucer slightly wider than the pot’s rim. The plastic lid not only slows evaporation but also ...